Mast cells are major effector cells associated with allergic responses. They are activated through the release of histamine, arachidonic acid, and proinflammatory cytokines. We investigated the effect of nodakenin, derived from the roots of Angelica gigas Nakai, on mast cell degranulation and on an allergic response in an animal model. We also investigated the effect of nodakenin on expression of multiple cytokines. Nodakenin suppressed the release of ${\beta}$-hexosaminidase, a marker of degranulation, as well as the expression of interleukin IL-4 and TNF-${\alpha}$ mRNA. Nodakenin inhibited the passive cutaneous anaphylaxis (PCA) reaction in ICR mice in a dose-dependent manner. These results suggest that nodakenin can inhibit mast cell degranulation through the inhibition of IL-4 and TNF-${\alpha}$ mRNA expression, and that nodakenin may potentially serve as an anti-allergic agent.
Afonso-Cardoso, Sandra R.;Rodrigues, Flavio H.;Gomes, Marcio A.B.;Silva, Adriano G.;Rocha, Ademir;Guimaraes, Aparecida H.B.;Candeloro, Ignes;Favoreto, Silvio;Ferreira, Marcelo S.;Souza, Maria A. de
Parasites, Hosts and Diseases
/
v.45
no.4
/
pp.255-266
/
2007
The protective effect of the Synadenium carinatum latex lectin (ScLL), and the possibility of using it as an adjuvant in murine model of vaccination against American cutaneous leishmaniasis, were evaluated. BALB/c mice were immunized with the lectin ScLL (10, 50, 100$[\mu}g$/animal) separately or in association with the soluble Leishmania amazonensis antigen (SLA). After a challenge infection with $10^6$ promastigotes, the injury progression was monitored weekly by measuring the footpad swelling for 10 weeks. ScLL appeared to be capable of conferring partial protection to the animals, being most evident when ScLL was used in concentrations of 50 and 100${\mu}g$/animal. Also the parasite load in the interior of macrophages showed significant reduction (61.7%) when compared to the control group. With regard to the cellular response, ScLL 50 and 100 ${\mu}g$/animal stimulated the delayed-type hypersensitivity (DTH) reaction significantly (P < 0.05) higher than SLA or SLA plus ScLL 10 weeks after the challenge infection. The detection of high levels of IgG2a and the expression of mRNA cytokines, such as IFN-$\gamma$, IL-12, and TNF-$\alpha$ (Th1 profiles), corroborated the protective role of this lectin against cutaneous leishmaniasis. This is the first report of the ScLL effect on leishmaniasis and shows a promising role for ScLL to be explored in other experimental models for treatment of leishmaniasis.
The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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v.23
no.1
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pp.8-22
/
2010
Objectives : The purpose of this study is to investigate the effects of Gyejijakyakjimo-Tang on the Allergic Contact Dermatitis caused by 2,4-dinitro-chlorobezene(DNCB). Methods : Twenty eight mice were divided into four groups ; normal, control, experimental group A and B. Control and experimental groups were induced allergic contact dermatitis by DNCB. Experimental group A was orally administered the Gyejijakyakjimo-Tang and experimental group B was orally administered the prednisolone. In this study, ear thickness measurement, auricle microphotograph observation, MPO(Myeloperoxidase) activity measurement, Reverse transcription-polymerase chain reaction(RT-PCR) analysis of the mRNA level of TNF-$\alpha$, IL-$1{\beta}$ were performed on these four groups. In addition, the effect of Gyejijakyakjimo-Tang on cell viability and the effect of Gyejijakyakjimo-Tang on the compound 48/80-induced histamine release from HMC and RPMC were measured. Results: 1. Both experimental group A and B had decreased ear thickness compared with control group In contact hypersensitivity assay. 2. In experimental group A, inflammatory edema was similarly observed comparing to control group. Nevertheless, inflammatory edema was obviously reduced in experimental group B. In both experimental group A and B, pathological lesion of dermatitis were alleviated. In addition, the numbers of infiltrated inflammatory cells were decreased compared with control group. 3. Compared to the normal group, there was a noticeable increase in MPO activity in control group. However, in experimental group A and B, it showed remarkable inhibition of the increase in MPO activity comparing with control group. 4. The level of expression of TNF-$\alpha$, IL-$1{\beta}$ in experimental group A and B were meaningfully lower than those in control group. 5. In MTT assay, the concentrations of Gyejijakyakjimo-Tang that were used on the test had no cytotoxicity. 6. Gyejijakyakjimo-Tang dose-dependently inhibited the compound 48/80-induced histamine release from both HMC and RPMC. Conclusions : According to above experiments, Gyejijakyakjimo-Tang was effective on allergic contact dermatitis.
Lee, Seong You;Sung, Won Young;Lee, Jang Young;Seo, Sang Won;Lee, Won Suk
Journal of The Korean Society of Clinical Toxicology
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v.17
no.1
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pp.32-37
/
2019
Kounis syndrome is defined as the occurrence of acute coronary syndrome associated with vasoactive mediators, such as histamines in the setting of hypersensitivity and allergic reactions or anaphylactic insults. The condition can be caused by various drugs, foods, or environmental factors that cause allergic reactions. A 35-year-old male visited the emergency room with anaphylaxis accompanied by chest pain approximately 20 minutes after taking zaltoprofen, a nonsteroidal anti-inflammatory drug. After acute treatment for the anaphylaxis, the patient was stabilized and all symptoms disappeared, but the ischemic changes in the electrocardiogram and elevation of the cardiac enzymes were observed. The emergency cardiac angiography and echocardiography were all normal. The allergic reaction of this patient to zaltoprofen was believed to cause a temporary coronary arterial vasospasm, inducing Type 1 Kounis syndrome. Thus far, there have been case reports of Kounis syndrome caused by a range of nonsteroidal anti-inflammatory drugs, but there are no reports of the condition being caused by zaltoprofen. According to the pathophysiology, both cardiac and allergic symptoms must be solved simultaneously, so rapid treatment and diagnosis are needed. Doctors treating acute allergic reactions and anaphylaxis patients must check the cardiovascular symptoms thoroughly and consider the possibility of Kounis syndrome.
Objectives : This study was performed to compare the effect of two Cudrania tricuspidata cultivars; Sancheong native (CT) and varieties in china(SCT) on immediate hypersensitivity of the anaphylactic type and Ova-induced allergic asthma mouse model by calculating serum cytokines and IgE. Methods : We investigated the free radical scavanging effect and quantify total phenol contents and total flavonoids of two Cudrania tricuspidata cultivars; Sancheong native(CT) and varieties in china(SCT). The sample was extracted by 80% EtOH. To induce the allergic asthma, in the control group and the CT group, mice of each group were sensitized intraperitoneally with ovalbumin (OVA) solution at the 1st, the 7th and the 14th day. After then, sensitization was performed by aerosol allergen challenges with 1% OVA solution intratracheally at the 21th, the 23th, 25th and the 27th day. At the 29th day, the mice were killed and the changes of interferon-${\gamma}$, interleukin-4, 5 and 10, total IgE and OVA-specific IgE in serum were checked. Results : CT inhibited compound 48/80-induced systemic anaphylaxis 90% with a dose of 100 mg/kg body weight at 1 hr before injection of compound 48/80. In the allergic asthma mouse model, IFN-${\gamma}$ was did not increased in the CT and SCT group than that in the control group. IL-4, IL-5, the total IgE and OVA-specific IgE were decreased in the CT group as compared with the control group and these results were statistically significant. Conclusions : Considering the above experimental results, this study showed that Sancheong native cultivar could reduce the allergic reaction.
Proceedings of the Plant Resources Society of Korea Conference
/
2020.08a
/
pp.78-78
/
2020
This study aimed to discover functional materials derived from resources, which can improve the troublesome symptoms of a bronchus by improving bronchial hyperresponsiveness as air pollution in Korea caused by fine dust and yellow dust is getting worse. Of natural resources grown naturally in Korea, Chrysanthemum morifolium(CM), and Scutellaria baicalensis(SB) have been used as a safe raw material for drinking or medicine for a long time, and it has been found that a combination of CS73 can improve bronchial health function in experimental animal models. Analysis of serum of animal models with asthma induced by ovalbumin (chicken egg albumin) and analysis of cytokine production in BALF (Bronchoalveolar lavage fluid) showed that inflammatory indices IL-1β, IL-4, IL-5, IL-6, IL-10, IL-13, IL-17A, IL-17F, and IL-17E were significantly reduced and that respective production of IL-2 and IFN-γ was significantly increased in the group taking extracts from CS73 when compared with the control group. These results suggested that the combination of CS73 could be used as a natural treatment for asthma. In addition, in the animal models that the combination of CS73 significantly decreased the respective production of IgE, histamine and TSLP when compared with the control group. In experimental models, the ratio of Chrysanthemum morifolium to Scutellaria baicalensis of 7 : 3 had more excellent effect than other combined experimental groups, which suggests that the above combination can be developed as a natural treatment for asthma and is valuable as a pharmaceutical composition with an effect of improving bronchial health, capable of contributing to the public health threatened by fine dust.
Oh, Kwang-Hoon;Kim, A Rong;Bae, Jong-Hwan;Lee, Kyung Bok;Yoo, Yung Choon
Journal of the Korean Society of Food Science and Nutrition
/
v.45
no.2
/
pp.174-180
/
2016
In this study, the effects of fermented goat milk (F-GM) on immunological activity and physical strength were examined. Splenocytes obtained from mice administered with F-GM showed increased responsinveness to mitogens, concanavalin-A (ConA), and lipopolysaccharide (LPS). Treatment with F-GM also significantly augmented production of interleukin (IL)-2 and interferon (IFN)-${\gamma}$, but not IL-4 or IL-10 from ConA-stimulated splenocytes. The activity of F-GM administration to enhance production of IL-2 and IFN-${\gamma}$ was confirmed based on mRNA expression of these cytokines by reverse transcription polymerase chain reaction. After immunization with keyhole limpet hemocyanin (KLH, 20 mg/mouse), mice administered F-GM showed significantly higher antibody titers against KLH than those of phosphate-buffered saline-treated mice, and showed the highest titer 5 weeks after KLH immunization. Analysis for determining isotypes of antibodies revealed that administration of F-GM elicited KLH-specific antibody titers of IgG1, IgG2a, and IgM. In a delayed type hypersensitivity (DTH) test carried out 7 weeks after the primary immunization, F-GM-treated mice showed a higher DTH reaction than the control mice. Furthermore, the swimming test found that administration of F-GM significantly increased swimming time. These results suggest that administration of F-GM enhances not only immune responses against antigens but also physical strength.
Kim, Young-Hak;Lee, Eon-Jeong;Song, Bong-Keun;Kim, Hyeong-Kyun
The Journal of Korean Medicine
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v.18
no.2
/
pp.167-186
/
1997
The inhibitory activity of Aquillariae Lignum (Thymelaeaceae) on type Ⅰ immediate hypersensitivity of the anaphylactic type in the wistar rat model of passive cutaneous anaphylaxis, an IgE-mediated, mast cell-dependent reaction. Administered orally at 250, 500 mg/kg body weight 1 h before the challenge, Aquillariae Lignum potently inhibited PCA in rats which disodium cromoglycate showed poor inhibitory activity. Aquillariae Lignum inhibited compound 48/80-induced anaphylaxis 100% with a dose of 0.5 g/kg body weight at 1 h before or 5 and 10 min after injection of compound 48/80. Aquillariae Lignum (0.05-1.6 mg/ml) also exhibited the dose-related inhibitory effect on compound 48/80-induced histamine release from rat_peritoneal mast cells. Moreover, it was clearly demonstrated that Aquillariae Lignum and disodium cromoglycate disodium cromoglycate potently inhibited such type Ⅰ allergic reactions as anaphylactic shocks, suggesting that these drugs, at least in part, share the same mechanism of action It is suggested that Aquillariae Lignum may exert a stronger inhibition on the mast cell degranulation process. Since Aquillariae Lignum (1.0 mg/ml) inhibited about 90% of histidine decarboxylase activity, the inhibitory activity of Aquillariae Lignum for histamine release was considered to be derived from the inhibition of histidine decarboxylase activity. It results from increased expression of the mRNA coding for histidine decarboxylase, as assessed by Northern blot analysis after a 12 h incubation to P-815 cells with dexamethasone plus 12-O-tetradecanoylphorbol-13-acetate. The addition of Aquillariae Lignum to P-815 cells with dexamethasone plus 12-O-tetradecanoyl-phorbol-13-acetate, significantly inhibited the histidine decarboxylase gene expression. Tumor necrosis $factor-{\alpha}$ was not constitutively expressed in P-815 cells. Substance P selectively activates the tumor necrosis $factor-{\alpha}$ gene expression in P-815 cells. Aquillariae Lignurm inhibited substance P-induced tumor necrosis $factor-{\alpha}$ gene expression. Furthennore, The effect of Aquillariae Lignum on the mRNA expression of novel protein kinase C ${\delta}$ a major isoform of mast cells, was examined by Northern blot analysis. The expression of novel protein kinase C ${\delta}$ mRNA in the presence of Aquillariae Lignum was significantly lower than in the absence of Aquillariae Lignum. These results suggest the possibility that the inhibition of allergic reaction by Aquillanae Lignum should be regulated by tumor necrosis $factor-{\alpha}$ and novel protein kinase C ${\delta}$.
Journal of the Korean Academy of Child and Adolescent Psychiatry
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v.13
no.1
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pp.3-14
/
2002
Childhood psychic trauma appears to be a crucial factor in the development of serious disorders both in childhood and in adulthood. Traumatized children show strong tendency to revisualize or re-feel a traumatic events. Play and behavioral reenactments are frequent manifestations of both the single blow and the long-standing traumas in childhood. Those children who suffer the results of single, intense terror appear to exhibit detailed memory, retrospective reworkings and misperceptions. In long-standing or repetitive trauma, children would show psychic numbing, self-hypnosis, dissociation and rage. Child's brain is undergoing critical and sensitive periods of differentiation. During this time, developing central nervous system is exquisitely sensitive to stress. Stressor-activated neurotransmitters and hormones can play major roles in neurogenesis, migration, synaptogenesis, and neurochemical differentiation. Internal opiate system operates in some trauma and causes the victim to fail to respond, to avoid, to shut off feelings. Evidence is also accumulating in traumatology that dysfuntion of locus coeruleus and ventral tegmental neucleus system leads to catecholamine receptors hypersensitivity. This change result in hypervigilance, increased startle, affective lability, and increased autonomic nervous system hyperreactivity. Another site of action of trauma on the brain is hypothalamic-pituitary-adrenal axis. Individuals with PTSD do not have enough cortisol to halt the alarm reaction. When children are exposed to long-standing extreme events, massive attempts to protect the psyche and to preserve the self are put into gear. These developmental traumas mobilize various kinds of defense mechanisms. Massive denial, dissociation, self anesthesia, identification with aggressor and aggression turned against the self often lead to profound character changes in the youngsters.
Journal of the korean academy of Pediatric Dentistry
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v.44
no.4
/
pp.455-460
/
2017
Stevens-Johnson syndrome (SJS), an extremely severe acute hypersensitivity reaction, causes extensive necrosis on the skin and the mucous membrane. SJS is a disease of unknown cause that can occur in all age groups. It is thought to be caused by drug allergy or induced by bacterial infection. Epidermal surface invasion of less than 10 percent is called SJS, and invasion of more than 30 percent is called toxic epidermal necrolysis. Although it is rare with an incidence of 1 - 2 cases per million people per year, it has effects on tooth development and therefore on children who are in a growth phase. The purpose of this case report is to examine the effect of SJS on tooth development in children. In general, eruption of the upper and lower 1st molars and lower central incisors starts at 6 - 7 years of age. Root development also occurs at this time. In the case reported here, SJS occurred in a 6-year-old patient. Although the patient's SJS was completely cured, he still suffers from aftereffects. Developmental abnormalities in the patient's teeth were observed only in teeth for which root development had been completed at the time. The purpose of this case report is to illustrate how to diagnose such systemic diseases by intra-oral features and to recognize and resolve tooth development problems associated with the disease.
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